Home / 11,011.35-15,190.47-6,292.88

Finding the Fourth Proportional to 11,011.35, 15,190.47 and 6,292.88

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Solution

The fourth proportional to 11,011.35, 15,190.47 and 6,292.88 is: 8,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.35 : 15,190.47 = 6,292.88 : x
  2. Step 2: Convert to fraction form
    11,011.35/15,190.47 = 6,292.88/x
  3. Step 3: Cross multiply
    11,011.35x = 15,190.47 × 6,292.88
  4. Step 4: Simplify right side
    11,011.35x = 95,591,728.90
  5. Step 5: Solve for x
    x = 95,591,728.90/11,011.35
  6. Step 6: Final answer
    x = 8,681.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.